class Primer::Forms::Dsl::FormReferenceInput

`address[street]`. To render the form independent of the parent, pass `nested: false`.
include the name of the parent model, eg. `user[address][street]` instead of what we want,
together that aren't connected by an association. In such cases the fields will still
attributes approach works great. However sometimes all you want is to compose two forms
For situations like this where an association exists between two models, the nested

def initialize(*fields_for_args, builder:, form:, nested: true, **fields_for_kwargs, &block)
  @fields_for_args = fields_for_args
  @fields_for_kwargs = fields_for_kwargs
  @nested = nested
  @ref_block = block
  super(builder: builder, form: form, **fields_for_kwargs)
end